RFC 2557 which defines MHTML specifies the use of HTML 2.0. The closest protocol to HTML 2.0 that Volantis supports is XHTMLFull so we extend that class.
Whilst the MHTML spec allows for all HTML 2.0 features, it is suggested that style sheets, tables or background colors or images should not be used.
http://dsv.su.se/jpalme/ietf/web-email.htmlHowever informal testing with Microsoft Outlook 2000, Microsoft Outlook Express 5.5, Mozilla 1.0.1, Evolution 1.0.8, Hotmail, Yahoo! Mail suggests that tables are supported and that stylesheets are only supported in Outlook and Outlook Express.
As this protocol must work on all email clients, it has been decided to implement tables but not Mariner themes.
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